Saturday, March 5, 2:00-3:00 pm. Working with Pollinators: How to Make a Home for Solitary Bees Garden. Free lectures at Behnke Nurseries Garden Center, 11300 Baltimore Avenue, Beltsville, MD; (301) 937-1100; http://www.behnkes.com

Saturday, March 5; Sunday, March 6; Friday, March 11; Saturday, March 12; and Sunday, March 13. Maryland Home and Garden Show, Maryland State Fairground, Timonium, MD. Admission fee; check website for times. http://www.mdhomeandgarden.com

Saturday, March 5, 10:30 to noon (Arlington location) and Saturday, March 12, 2:30 to 4:00 (Alexandria location). How to Prune Practically Anything. Bring your own tools because you also will learn how to sharpen tools and dress warmly for this outdoor session. Presented by VCE Master Gardeners of Northern Virginia. Free but register in advance at http://www.tinyurl.com/RegisterVCE If you have questions, call (703) 228-6414, e-mail mgarlalex.org, or see website http://www.mgnv.org.

Sunday, March 6, 1:30 to 2:30 pm, How and Whys of Botanical Nomenclature, by Lee Gordon. Part of the Harry Allen Winter Lecture Series at Green Spring Gardens, 1:30 to 2:30 pm. After lecture, meet presenter and enjoy refreshments. Fee and can register for individual topics or for all of the Sunday lectures. Green Spring Gardens, 4603 Green Spring Road, Alexandria, VA 22312; (703) 642-5173. http://www.fairfaxcounty.gov/parks/greenspring

Tuesday March 8, 7:00 to 8:30 pm, Herbs: From the Grocery Store to the Garden to the Kitchen. Barrett Branch Library, 717 Queen Street, Alexandria, 22314. Presented by VCE Master Gardeners of Northern Virginia. If you have questions, call (703) 228-6414, e-mail mgarlalex.org, or visit http://www.mgnv.org. Free but register in advance at http://www.tinyurl.com/RegisterVCE

Wednesday, March 30, 7:00 to 9:00 pm. From the grocery store to the garden to the kitchen. Part of the Wednesdays in the Garden series, led by Arlington Food Assistance Center volunteers and VCE Master Gardeners. Arlington Central Library, 1015 N. Quincy Street, Arlington VA; (703) 228-5990, free and no need to register. http://www.library.arlingtonva.us/events/garden-talks